Visit http://morningcommutepodcast.com/ms5 to view the activity and CME/CE information, download the transcript, and complete the posttest and evaluation to earn CME/CE credit. In this episode, our experts will discuss the existing and new sphingosine-1-phosphate receptor (S1PR) modulator therapies and current ongoing trials. Particularly, they will delve into what can and cannot be presumed about comparative efficacy given the absence of head-to-head trials.